Piezo Spheres and Hemispheres

(Hollow Spheres, Hemispheres, Focus Bowls)

Piezo Direct offers piezo hollow spheres and hemispheres in a variety of thicknesses and sizes to provide customer specific solutions. Their shape allows these components to function as omnidirectional transducers.

Piezo Direct offers piezo hollow spheres and hemispheres in a variety of thicknesses and sizes to provide customer specific solutions. Their shape allows these components to function as omnidirectional transducers.

  1. Low power consumption, fast response time, highly efficient
  2. Small, thin, lightweight, and quiet
  3. Widely used in air and fluid pumps
  4. Flow rate can be accurately controlled and adjusted
  5. Can be driven using 5VDC/24VDC or 110VAC/220VAC
  1. Ultrasonic imaging
  2. Medical sensors
  3. Sonar
  4. Robotic sensing
  5. Flow and fill rate sensing
Model

D x T
(mm)
Capacitance 
(nF)

@1V, 100 Hz

Displacement
(µm)
155Vp-p

QDTA27-0.5-1

27 dia. x 0.5

PZT: 24 dia. x 0.3

55 ± 15%50 – 80
QDTA41-0.6-141 dia. x 0.6

PZT: 36 dia. x 0.3

115 ± 15%70 – 110
QDTA55-0.55-155 dia. x 0.5
PZT: 48 dia. x 0.3
245 ± 15%130 – 170

Note: Custom size and specifications available upon request.

Recommended Operative Conditions

Operating Temperature: -10℃~+70℃
Operating Voltage: 100 VDC~115 VDC
Maximum Voltage: 120VDC
Operating Frequency: 50Hz~60Hz